This project will continue at least through the end of 2021. The sheriff's office says the driver of the SUV, who hit the cyclists, was arrested for operating while intoxicated causing death and taken to jail after receiving medical treatment. Cyclists can engage in cooperative behavior in combinations of MSOs at speeds such that PCR ? d. Other than those, don't bother with changing groupsets, wheelset or anything else. All lower end bikes come with bad tyres that are heavy and rolls poorly, you will see a huge improvement with changing to better ones.